Package org.jclouds.blobstore.internal

Class BaseBlobStore

java.lang.Object
org.jclouds.blobstore.internal.BaseBlobStore
All Implemented Interfaces:
BlobStore
public abstract class BaseBlobStore extends Object implements BlobStore

  • Field Details

    • context

      protected final BlobStoreContext context

    • blobUtils

      protected final BlobUtils blobUtils

    • defaultLocation

      protected final com.google.common.base.Supplier<org.jclouds.domain.Location> defaultLocation

    • locations

      protected final com.google.common.base.Supplier<Set<? extends org.jclouds.domain.Location>> locations

    • slicer

      protected final org.jclouds.io.PayloadSlicer slicer

  • Constructor Details

    • BaseBlobStore

      protected BaseBlobStore(BlobStoreContext context, BlobUtils blobUtils, com.google.common.base.Supplier<org.jclouds.domain.Location> defaultLocation, com.google.common.base.Supplier<Set<? extends org.jclouds.domain.Location>> locations, org.jclouds.io.PayloadSlicer slicer)

  • Method Details

    • getContext

      public BlobStoreContext getContext()
      Specified by:
      getContext in interface BlobStore
      Returns:
      a reference to the context that created this BlobStore.

    • blobBuilder

      public BlobBuilder blobBuilder(String name)
      invokes BlobUtilsImpl#blobBuilder
      Specified by:
      blobBuilder in interface BlobStore
      Returns:
      builder for creating new Blobs

    • list

      public PageSet<? extends StorageMetadata> list(String container)
      This implementation invokes BlobStore.list(String,org.jclouds.blobstore.options.ListContainerOptions)
      Specified by:
      list in interface BlobStore
      Parameters:
      container - container name
      Returns:
      a list that may be incomplete, depending on whether PageSet#getNextMarker is set

    • directoryExists

      public boolean directoryExists(String containerName, String directory)
      This implementation invokes BlobUtilsImpl#directoryExists
      Specified by:
      directoryExists in interface BlobStore
      Parameters:
      container - container name
      directory - virtual path

    • createDirectory

      public void createDirectory(String containerName, String directory)
      This implementation invokes BlobUtilsImpl#createDirectory
      Specified by:
      createDirectory in interface BlobStore
      Parameters:
      container - container name
      directory - virtual path

    • removeBlobs

      public void removeBlobs(String container, Iterable<String> names)
      Description copied from interface: BlobStore
      Deletes multiple Blobs representing the data at location container/name
      Specified by:
      removeBlobs in interface BlobStore
      Parameters:
      container - container where this exists.
      names - fully qualified names relative to the container.

    • countBlobs

      public long countBlobs(String container)
      This implementation invokes countBlobs(java.lang.String) with the ListContainerOptions.recursive option.
      Specified by:
      countBlobs in interface BlobStore
      Parameters:
      container - container name
      Returns:
      a count of all blobs in the container, excluding directory markers

    • countBlobs

      public long countBlobs(String containerName, ListContainerOptions options)
      This implementation invokes BlobUtilsImpl#countBlobs
      Specified by:
      countBlobs in interface BlobStore
      Parameters:
      container - container name
      Returns:
      a count of all blobs that are in a listing constrained by the options specified, excluding directory markers

    • clearContainer

      public void clearContainer(String containerName)
      This implementation invokes clearContainer(java.lang.String) with the ListContainerOptions.recursive option.
      Specified by:
      clearContainer in interface BlobStore
      Parameters:
      container - container name

    • clearContainer

      public void clearContainer(String containerName, ListContainerOptions options)
      This implementation invokes BlobUtilsImpl#clearContainer
      Specified by:
      clearContainer in interface BlobStore
      Parameters:
      container - container name

    • deleteDirectory

      public void deleteDirectory(String containerName, String directory)
      This implementation invokes BlobUtilsImpl#deleteDirectory.
      Specified by:
      deleteDirectory in interface BlobStore
      Parameters:
      container - container name

    • getBlob

      public Blob getBlob(String container, String key)
      This implementation invokes BlobStore.getBlob(String,String,org.jclouds.blobstore.options.GetOptions)
      Specified by:
      getBlob in interface BlobStore
      Parameters:
      container - container name
      key - blob key
      Returns:
      the blob you intended to receive or null, if it doesn't exist.

    • deleteContainer

      public void deleteContainer(String container)
      This implementation invokes #deleteAndEnsurePathGone
      Specified by:
      deleteContainer in interface BlobStore
      Parameters:
      container - bucket name

    • deleteContainerIfEmpty

      public boolean deleteContainerIfEmpty(String container)
      Description copied from interface: BlobStore
      Deletes a container if it is empty.
      Specified by:
      deleteContainerIfEmpty in interface BlobStore
      Parameters:
      container - name of the container to delete
      Returns:
      true if the container was deleted or does not exist

    • deletePathAndEnsureGone

      protected void deletePathAndEnsureGone(String path)

    • listAssignableLocations

      public Set<? extends org.jclouds.domain.Location> listAssignableLocations()
      Description copied from interface: BlobStore
      The get locations command returns all the valid locations for containers. A location has a scope, which is typically region or zone. A region is a general area, like eu-west, where a zone is similar to a datacenter. If a location has a parent, that implies it is within that location. For example a location can be a rack, whose parent is likely to be a zone.
      Specified by:
      listAssignableLocations in interface BlobStore

    • deleteAndVerifyContainerGone

      protected abstract boolean deleteAndVerifyContainerGone(String container)
      Delete a container if it is empty.
      Parameters:
      container - what to delete
      Returns:
      whether container was deleted

    • copyBlob

      public String copyBlob(String fromContainer, String fromName, String toContainer, String toName, CopyOptions options)
      Description copied from interface: BlobStore
      Copy blob from one container to another. Some providers implement this more efficiently than corresponding getBlob and putBlob operations. Note: options are currently ignored
      Specified by:
      copyBlob in interface BlobStore
      Returns:
      ETag of new blob

    • putMultipartBlob

      @Beta protected String putMultipartBlob(String container, Blob blob, PutOptions overrides)
      Upload using a user-provided executor, or the jclouds userExecutor
      Parameters:
      container -
      blob -
      overrides -
      Returns:
      the multipart blob etag

    • putMultipartBlob

      @Beta protected String putMultipartBlob(String container, Blob blob, PutOptions overrides, com.google.common.util.concurrent.ListeningExecutorService executor)

    • downloadBlob

      public void downloadBlob(String container, String name, File destination)
      Specified by:
      downloadBlob in interface BlobStore

    • downloadBlob

      public void downloadBlob(String container, String name, File destination, ExecutorService executor)
      Specified by:
      downloadBlob in interface BlobStore

    • streamBlob

      public InputStream streamBlob(String container, String name)
      Specified by:
      streamBlob in interface BlobStore

    • streamBlob

      public InputStream streamBlob(String container, String name, ExecutorService executor)
      Specified by:
      streamBlob in interface BlobStore